# Tech Mahindra Data Interpretation Quiz 1

Question 1

Time: 00:00:00
Answer these questions based on the following graph:

(x axis denotes temperature, y axis denotes mole)
Which of the following salts has the greatest solubility?

Potassium chlorate at $80^{0}C$

Potassium chlorate at $80^{0}C$

Potassium chlorate at $35^{0}C$

Potassium chlorate at $35^{0}C$

Potassium nitrate at $39^{0}C$

Potassium nitrate at $39^{0}C$

Sodium chloride at $85^{0}C$

Sodium chloride at $85^{0}C$

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Question 2

Time: 00:00:00
By what percentage is the solubility of potassium chlorate in water increased as the water is heated from 30oC to 80oC?

100%

100%

172.8%

172.8%

223.33%

223.33%

166.66%

166.66%

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Question 3

Time: 00:00:00
Approximately, how many kilograms of potassium nitrate can be dissolved in 10 L water at 30oC?

0.04

0.04

0.4

0.4

0.35

0.35

4

4

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Question 4

Time: 00:00:00
Which of the salts has greater change in solubility in kg/L of water between 15oC and 25oC?

Potassium chlorate

Potassium chlorate

Potassium nitrate

Potassium nitrate

Sodium chlorate

Sodium chlorate

Sodium nitrate

Sodium nitrate

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Question 5

Time: 00:00:00
If one mole of potassium chloride weights 0.07456 kg, approximately. How many moles of potassium chloride can be dissolved in 100 L water at 36oC?

250

250

310

310

435

435

540

540

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Question 6

Time: 00:00:00
The bar-graph provided gives the Sales of books (in thousand numbers)
from six branches - B1, B2, B3, B4, B5 and B6 of a publishing company in 2000 and 2001. Total sales of branches B1, B3 and B5 together for both the years(in thousand numbers) is :

680

680

550

550

560

560

750

750

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Question 7

Time: 00:00:00
Total sales of branches B6 for both the years is what percent of the total sales of branch B3 for both the years?

73%

73%

73.17%

73.17%

83%

83%

88%

88%

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Question 8

Time: 00:00:00
What is the average sale of all the branches (in thousand numbers) for the year 2000?

45

45

35

35

57

57

80

80

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Question 9

Time: 00:00:00
What is the ratio of the total sales of branch B2 for both years to the total sales of branch B4 for both years?

7/5

7/5

8/3

8/3

8/5

8/5

7/9

7/9

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Question 10

Time: 00:00:00
What percent of the average sales of branches B1, B2 and B3 in 2001 is the average sales of branches B1, B3 and B6 in 2000?

82%

82%

83.5%

83.5%

87.5%

87.5%

84.5%

84.5%

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